aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/myri10ge/myri10ge.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/myri10ge/myri10ge.c')
-rw-r--r--drivers/net/myri10ge/myri10ge.c35
1 files changed, 28 insertions, 7 deletions
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index e2346e8a4d5..b19e2034d11 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -2417,6 +2417,8 @@ static void myri10ge_enable_ecrc(struct myri10ge_priv *mgp)
*/
#define PCI_DEVICE_ID_SERVERWORKS_HT2000_PCIE 0x0132
+#define PCI_DEVICE_ID_INTEL_E5000_PCIE23 0x25f7
+#define PCI_DEVICE_ID_INTEL_E5000_PCIE47 0x25fa
static void myri10ge_select_firmware(struct myri10ge_priv *mgp)
{
@@ -2426,15 +2428,34 @@ static void myri10ge_select_firmware(struct myri10ge_priv *mgp)
mgp->fw_name = myri10ge_fw_unaligned;
if (myri10ge_force_firmware == 0) {
+ int link_width, exp_cap;
+ u16 lnk;
+
+ exp_cap = pci_find_capability(mgp->pdev, PCI_CAP_ID_EXP);
+ pci_read_config_word(mgp->pdev, exp_cap + PCI_EXP_LNKSTA, &lnk);
+ link_width = (lnk >> 4) & 0x3f;
+
myri10ge_enable_ecrc(mgp);
- /* Check to see if the upstream bridge is known to
- * provide aligned completions */
- if (bridge
- /* ServerWorks HT2000/HT1000 */
- && bridge->vendor == PCI_VENDOR_ID_SERVERWORKS
- && bridge->device ==
- PCI_DEVICE_ID_SERVERWORKS_HT2000_PCIE) {
+ /* Check to see if Link is less than 8 or if the
+ * upstream bridge is known to provide aligned
+ * completions */
+ if (link_width < 8) {
+ dev_info(&mgp->pdev->dev, "PCIE x%d Link\n",
+ link_width);
+ mgp->tx.boundary = 4096;
+ mgp->fw_name = myri10ge_fw_aligned;
+ } else if (bridge &&
+ /* ServerWorks HT2000/HT1000 */
+ ((bridge->vendor == PCI_VENDOR_ID_SERVERWORKS
+ && bridge->device ==
+ PCI_DEVICE_ID_SERVERWORKS_HT2000_PCIE)
+ /* All Intel E5000 PCIE ports */
+ || (bridge->vendor == PCI_VENDOR_ID_INTEL
+ && bridge->device >=
+ PCI_DEVICE_ID_INTEL_E5000_PCIE23
+ && bridge->device <=
+ PCI_DEVICE_ID_INTEL_E5000_PCIE47))) {
dev_info(&mgp->pdev->dev,
"Assuming aligned completions (0x%x:0x%x)\n",
bridge->vendor, bridge->device);